BadVPN – Blame information for rev 1

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1 office 1 /*
2 * Copyright (C) Ambroz Bizjak <ambrop7@gmail.com>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * 1. Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * 2. Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * 3. Neither the name of the author nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26  
27 // name of the program
28 #define PROGRAM_NAME "tun2socks"
29  
30 // size of temporary buffer for passing data from the SOCKS server to TCP for sending
31 #define CLIENT_SOCKS_RECV_BUF_SIZE 8192
32  
33 // maximum number of udpgw connections
34 #define DEFAULT_UDPGW_MAX_CONNECTIONS 256
35  
36 // udpgw per-connection send buffer size, in number of packets
37 #define DEFAULT_UDPGW_CONNECTION_BUFFER_SIZE 8
38  
39 // udpgw reconnect time after connection fails
40 #define UDPGW_RECONNECT_TIME 5000
41  
42 // udpgw keepalive sending interval
43 #define UDPGW_KEEPALIVE_TIME 10000
44  
45 // option to override the destination addresses to give the SOCKS server
46 //#define OVERRIDE_DEST_ADDR "10.111.0.2:2000"
47  
48 // Max number of buffered outgoing UDP packets for SOCKS5-UDP. It should be large
49 // enough to prevent packet loss while the SOCKS UDP association is being set up. A slow
50 // or far-away SOCKS server could require 300 ms to connect, and a chatty client (e.g.
51 // STUN) could send a packet every 20 ms, so a default limit of 16 seems reasonable.
52 #define SOCKS_UDP_SEND_BUFFER_PACKETS 16